#include<bits/stdc++.h>
using namespace std;

//rp++
//duel!

int box[100005];
int maxn=0;
int main()
{
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    int n;
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        int t;
        cin>>t;
        box[t]++;
        maxn=max(box[t],maxn);
    }
    cout<<maxn<<endl;
    return 0;
}